CVE-2022-49937
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: media: mceusb: Use new usb_control_msg_*() routines Automatic kernel fuzzing led to a WARN about invalid pipe direction in the mceusb driver: ------------[ cut here ]------------ usb 6-1: BOGUS control dir, pipe 80000380 doesn't match bRequestType 40 WARNING: CPU: 0 PID: 2465 at drivers/usb/core/urb.c:410 usb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410 Modules linked in: CPU: 0 PID: 2465 Comm: kworker/0:2 Not tainted 5.19.0-rc4-00208-g69cb6c6556ad #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410 Code: 7c 24 40 e8 ac 23 91 fd 48 8b 7c 24 40 e8 b2 70 1b ff 45 89 e8 44 89 f1 4c 89 e2 48 89 c6 48 c7 c7 a0 30 a9 86 e8 48 07 11 02 <0f> 0b e9 1c f0 ff ff e8 7e 23 91 fd 0f b6 1d 63 22 83 05 31 ff 41 RSP: 0018:ffffc900032becf0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8881100f3058 RCX: 0000000000000000 RDX: ffffc90004961000 RSI: ffff888114c6d580 RDI: fffff52000657d90 RBP: ffff888105ad90f0 R08: ffffffff812c3638 R09: 0000000000000000 R10: 0000000000000005 R11: ffffed1023504ef1 R12: ffff888105ad9000 R13: 0000000000000040 R14: 0000000080000380 R15: ffff88810ba96500 FS: 0000000000000000(0000) GS:ffff88811a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe810bda58 CR3: 000000010b720000 CR4: 0000000000350ef0 Call Trace: <TASK> usb_start_wait_urb+0x101/0x4c0 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 mceusb_gen1_init drivers/media/rc/mceusb.c:1431 [inline] mceusb_dev_probe+0x258e/0x33f0 drivers/media/rc/mceusb.c:1807 The reason for the warning is clear enough; the driver sends an unusual read request on endpoint 0 but does not set the USB_DIR_IN bit in the bRequestType field. More importantly, the whole situation can be avoided and the driver simplified by converting it over to the relatively new usb_control_msg_recv() and usb_control_msg_send() routines. That's what this fix does.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-06-18 11:15:20.570000
Last modified
2026-11-05 20:17:18.400000
View original CVE JSON
{
"id": "CVE-2022-49937",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-06-18T11:15:20.570",
"lastModified": "2026-11-05T20:17:18.400",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mceusb: Use new usb_control_msg_*() routines\n\nAutomatic kernel fuzzing led to a WARN about invalid pipe direction in\nthe mceusb driver:\n\n------------[ cut here ]------------\nusb 6-1: BOGUS control dir, pipe 80000380 doesn't match bRequestType 40\nWARNING: CPU: 0 PID: 2465 at drivers/usb/core/urb.c:410\nusb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410\nModules linked in:\nCPU: 0 PID: 2465 Comm: kworker/0:2 Not tainted 5.19.0-rc4-00208-g69cb6c6556ad #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410\nCode: 7c 24 40 e8 ac 23 91 fd 48 8b 7c 24 40 e8 b2 70 1b ff 45 89 e8\n44 89 f1 4c 89 e2 48 89 c6 48 c7 c7 a0 30 a9 86 e8 48 07 11 02 <0f> 0b\ne9 1c f0 ff ff e8 7e 23 91 fd 0f b6 1d 63 22 83 05 31 ff 41\nRSP: 0018:ffffc900032becf0 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: ffff8881100f3058 RCX: 0000000000000000\nRDX: ffffc90004961000 RSI: ffff888114c6d580 RDI: fffff52000657d90\nRBP: ffff888105ad90f0 R08: ffffffff812c3638 R09: 0000000000000000\nR10: 0000000000000005 R11: ffffed1023504ef1 R12: ffff888105ad9000\nR13: 0000000000000040 R14: 0000000080000380 R15: ffff88810ba96500\nFS: 0000000000000000(0000) GS:ffff88811a800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ffe810bda58 CR3: 000000010b720000 CR4: 0000000000350ef0\nCall Trace:\n<TASK>\nusb_start_wait_urb+0x101/0x4c0 drivers/usb/core/message.c:58\nusb_internal_control_msg drivers/usb/core/message.c:102 [inline]\nusb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153\nmceusb_gen1_init drivers/media/rc/mceusb.c:1431 [inline]\nmceusb_dev_probe+0x258e/0x33f0 drivers/media/rc/mceusb.c:1807\n\nThe reason for the warning is clear enough; the driver sends an\nunusual read request on endpoint 0 but does not set the USB_DIR_IN bit\nin the bRequestType field.\n\nMore importantly, the whole situation can be avoided and the driver\nsimplified by converting it over to the relatively new\nusb_control_msg_recv() and usb_control_msg_send() routines. That's\nwhat this fix does."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: mceusb: Utilizar nuevas rutinas usb_control_msg_*() El fuzzing automático del kernel provocó una ADVERTENCIA sobre una dirección de tubería no válida en el controlador mceusb: ------------[ cortar aquí ]------------ usb 6-1: directorio de control FALSO, la tubería 80000380 no coincide con bRequestType 40 ADVERTENCIA: CPU: 0 PID: 2465 en drivers/usb/core/urb.c:410 usb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410 Módulos vinculados: CPU: 0 PID: 2465 Comm: kworker/0:2 No contaminado 5.19.0-rc4-00208-g69cb6c6556ad #1 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 01/04/2014 Cola de trabajo: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x1326/0x1820 drivers/usb/core/urb.c:410 Código: 7c 24 40 e8 ac 23 91 fd 48 8b 7c 24 40 e8 b2 70 1b ff 45 89 e8 44 89 f1 4c 89 e2 48 89 c6 48 c7 c7 a0 30 a9 86 e8 48 07 11 02 <0f> 0b e9 1c f0 ff ff e8 7e 23 91 fd 0f b6 1d 63 22 83 05 31 y siguientes 41 RSP: 0018:ffffc900032becf0 EFLAGS: 00010282 RAX: 000000000000000 RBX: ffff8881100f3058 RCX: 0000000000000000 RDX: ffffc90004961000 RSI: ffff888114c6d580 RDI: fffff52000657d90 RBP: ffff888105ad90f0 R08: ffffffff812c3638 R09: 000000000000000 R10: 0000000000000005 R11: ffffed1023504ef1 R12: ffff888105ad9000 R13: 0000000000000040 R14: 0000000080000380 R15: ffff88810ba96500 FS: 0000000000000000(0000) GS:ffff88811a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe810bda58 CR3: 000000010b720000 CR4: 0000000000350ef0 Seguimiento de llamadas: usb_start_wait_urb+0x101/0x4c0 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 mceusb_gen1_init drivers/media/rc/mceusb.c:1431 [inline] mceusb_dev_probe+0x258e/0x33f0 drivers/media/rc/mceusb.c:1807 El motivo de la advertencia es bastante claro; el controlador envía una solicitud de lectura inusual en el endpoint 0 pero no establece el bit USB_DIR_IN en el campo bRequestType. Más importante aún, se puede evitar toda la situación y simplificar el controlador al convertirlo a las relativamente nuevas rutinas usb_control_msg_recv() y usb_control_msg_send(). Esto es lo que hace esta corrección."
}
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"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T19:51:49.303480Z",
"id": "CVE-2022-49937",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
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"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
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